---
cve: "CVE-2021-31010"
severity: "HIGH"
cvss: 7.5
epss: "3.7%"
vendor: "Apple"
kev: true
exploited: true
published: "2021-08-24 19:15:24"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-07T18:46:26+02:00"
---

# CVE-2021-31010

> 7.5 HIGH · ⚠️ CISA KEV (1504 Tage) · 🔓 Exploited

## Beschreibung

A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..

## CISA-Anreicherung (vulnrichment/ADP)

- CISA KEV seit: **25.08.2022**
- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **active**
  - Automatable: **yes**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://support.apple.com/en-us/HT212804>
- <https://support.apple.com/en-us/HT212805>
- <https://support.apple.com/en-us/HT212807>
- <https://support.apple.com/en-us/HT212806>
- <https://support.apple.com/en-us/HT212824>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2021-31010/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_